Functionalization of Graphene Oxide Nanosheets Can Reduce Their Cytotoxicity to Dental Pulp Stem Cells

Table 1

EDS analysis of the nGO, nGO-CS, and nGO-COOH.

Element	nGO (Wt%)	nGO-CS (Wt%)	nGO-COOH (Wt%)
C	59.11	36.36	66.78
O	37.31	60.07	31.67
N	0	2.42	0
S	3.54	1.15	1.34